Are you sure the noisy are too loud is tube problem, did you replace other 6922 to test amp.
You shalll bring back you Telefungen 6922 to acquaintanceship shop and telling his you was sold me the tube is noisy are too loud request to change again.
Can I to know where is this shop.(name)
When you puchase tube do you ask saleman test the tube before you pay.
ask more question you want to know
Exsample
How to know the tube is good condition, low nios , match , fake.
6DJ8 is best than 6922, the best 6DJ8 is Amperex Bugle Boy Holland.the tube top must have cross mark.
You knew the saleman very well, why his did not told you 6DJ8 can replace 6922 and best than. Call his to complain changed tube is still noisey request change again, you have no reason to keep that noisy and expensive tube.I never visit Wx Wx shop the shop store Telefungen without <> mark in bottom and Amperex doesn't have cross mark on the top. you shall know what I mind.
Next time you purchase tube can try to Mong Kok 德發3/F 朱記.the prices is not cheap but Honesty Responsible. the boss is very kind old man, his make a lot of DIY tube amp for his customer.
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